Brother DCP-T520W Online User's Manual page 130

set a higher brightness level and scan the document again. You can also type a value in the field to set the
brightness level.
Contrast
Increase or decrease the Contrast level by moving the slider to the right or left. An increase emphasises dark
and light areas of the image, while a decrease reveals more details in grey areas. You can also type a value in
the field to set the contrast level.
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